Across
- 5. An object that makes work easier
- 6. A simple machine that has a grooved wheel and a rope
- 7. The point on which a lever turns
- 12. An inclined plane wrapped around a cylinder
- 13. The force that pulls objects down toward the Earth's center
- 14. A force that pulls on objects without touching them
- 15. Two inclined planes back to back, used to force materials apart
- 16. What is done when a force moves an object over a distance
- 17. A bar that turns on a point
Down
- 1. The weight of the object being moved
- 2. The ability to do work
- 3. A flat, slanted surface
- 4. A machine that may have few or no moving parts
- 7. The force that resists the movement of objects against each other
- 8. A change in position
- 9. A skilled craftsman who makes, finishes and repairs structures made of wood
- 10. A force that acts when one object touches another
- 11. The force that you apply to cause a simple machine to work